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GEM 660 Operating Instructions Manual

Pneumatically operated diaphragm valve
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GEMÜ 660
Pneumatically operated diaphragm valve
Operating instructions
EN
TYPE EL
CLASS I
AUGUST 2021
further information
webcode: GW-660

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Summary of Contents for GEM 660

  • Page 1 GEMÜ 660 Pneumatically operated diaphragm valve Operating instructions further information TYPE EL CLASS I webcode: GW-660 AUGUST 2021...
  • Page 2 All rights including copyrights or industrial property rights are expressly reserved. Keep the document for future reference. © GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG 28.04.2023 GEMÜ 660 2 / 35 www.gemu-group.com...

  • Page 3: Table Of Contents

    2 Safety information ..........3 Product description ..........Construction ..........Description ............. Function ............Product label ..........4 GEMÜ CONEXO ............ 5 Correct use ............6 Order data ............Order codes ........... Order example ..........7 Technical data ............. 8 Dimensions ............

  • Page 4: General Information

    Symbol Meaning 1.3 Definition of terms Danger of explosion! Working medium The medium that flows through the GEMÜ product. Control function Corrosive chemicals! The possible actuation functions of the GEMÜ product. Control medium The medium whose increasing or decreasing pressure causes Hot plant components! the GEMÜ...

  • Page 5: Safety Information

    14. Do not carry out any maintenance work and repairs not de- CONEXO actuator RFID scribed in this document without consulting the manufac- chip turer first. (see Conexo informa- tion) In cases of uncertainty: Pneumatic actuator Stainless steel 15. Consult the nearest GEMÜ sales office. www.gemu-group.com 5 / 35 GEMÜ 660...

  • Page 6: Description

    3.2 Description 4 GEMÜ CONEXO Installing the RFID chip The GEMÜ 660 2/2-way diaphragm valve has a stainless steel piston actuator and is pneumatically operated. The valve was In the corresponding design with CONEXO, this product has designed for dosing and filling a wide range of products. All an RFID chip (1) for electronic recognition.

  • Page 7: Order Data

    Control air connector in flow direction (standard), Clamp piston diameter 32 mm (standard) Clamp ASME BPE, Actuator size 1T1 face-to-face dimension FTF ASME BPE, Actuator version 1R1 length only for body configuration D Actuator size 2T1 Actuator size 2R1 www.gemu-group.com 7 / 35 GEMÜ 660...

  • Page 8: Order Example

    8 Actuator version Actuator size 2T1 9 Surface 1503 Ra ≤ 0.8 µm (30 µin.) for media wetted surfaces, in accordance with DIN 11866 HE3, electropolished internal/external 10 Special version Without 11 CONEXO Without GEMÜ 660 8 / 35 www.gemu-group.com...

  • Page 9: Technical Data

    PTFE diaphragms exposed to high temperature fluctuations. The maintenance cycles must be adapted accordingly. GEMÜ 555 and 505 globe valves are particularly suitable for use in the area of steam generation and distribution. The following valve arrangement for interfaces between steam pipes and process pipes has proven itself over time: A globe valve for shutting off steam pipes and a diaphragm valve as an interface to the process pipes.
  • Page 10 Information on operating pressures applied on both sides and for high purity media on request. Control pressure/operat- ing pressure diagram: Control function 2 Control function 3 Steuerdruck-Betriebsdruck Kennlinie Typ 660 STF 2 Steuerdruck-Betriebsdruck Kennlinie Typ 660 STF 3 MG25 MG25 MG10...
  • Page 11 Therefore the Kv values may exceed the tolerance limits of the stand- ard. The Kv value curve (Kv value dependent on valve stroke) can vary depending on the diaphragm material and dur- ation of use. www.gemu-group.com 11 / 35 GEMÜ 660...
  • Page 12 USP* Class VI * depending on version and / or operating parameters SIL: Product description: GEMÜ diaphragm valve 660 Type of valve: Safety function: Due to the safety function, the diaphragm valve is placed in the closed position (with control function 1) or in the open position (with control function 2).

  • Page 13: Dimensions

    50.0 24.0 73.0 45.0 39.0 G 1/4 51.0 2 + 3 148.0 50.0 24.0 73.0 45.0 39.0 51.0 Dimensions in mm MG = diaphragm size * CT = A + H1 (see body dimensions) www.gemu-group.com 13 / 35 GEMÜ 660...

  • Page 14: Body Dimensions

    Code 60: Spigot ISO 1127/EN 10357 series C/DIN 11866 series B 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% Code F4: 1.4539, forged body GEMÜ 660 14 / 35 www.gemu-group.com...
  • Page 15 Code 17: Spigot EN 10357 series A/DIN 11866 series A formerly DIN 11850 series 2 Code 60: Spigot ISO 1127/EN 10357 series C/DIN 11866 series B 2) Valve body material Code C3: 1.4435, investment casting www.gemu-group.com 15 / 35 GEMÜ 660...
  • Page 16 Code 65: Spigot ANSI/ASME B36.19M schedule 40s 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% Code C3: 1.4435, investment casting Code F4: 1.4539, forged body GEMÜ 660 16 / 35 www.gemu-group.com...
  • Page 17 Code 37: Spigot SMS 3008 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% Code C3: 1.4435, investment casting Code F4: 1.4539, forged body www.gemu-group.com 17 / 35 GEMÜ 660...
  • Page 18 110.0 41.0 13.0 Dimensions in mm MG = diaphragm size n = number of flats 1) Connection type Code 1: Threaded socket DIN ISO 228 2) Valve body material Code 37: 1.4408, investment casting GEMÜ 660 18 / 35 www.gemu-group.com...
  • Page 19 Dimensions in mm MG = diaphragm size 1) Connection type Code 6: Threaded spigot DIN 11851 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% www.gemu-group.com 19 / 35 GEMÜ 660...
  • Page 20 MG = diaphragm size 1) Connection type Code 6K: Cone spigot and union nut DIN 11851 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% GEMÜ 660 20 / 35 www.gemu-group.com...
  • Page 21 Code 8T: Clamp DIN 32676 series C, face-to-face dimension FTF EN 558 series 7, length only for body configuration D 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% Code F4: 1.4539, forged body www.gemu-group.com 21 / 35 GEMÜ 660...

  • Page 22: Manufacturer's Information

    "Technical data"). operating conditions (medium, medium concentration, temperature and pressure) and the prevailing ambient 4. Do not store solvents, chemicals, acids, fuels or similar conditions. fluids in the same room as GEMÜ products and their spare parts. NOTICE 9.4 Delivery Tools ●...

  • Page 23: Installation With Butt Weld Spigots

    4. Connect the gasket between the body of the product and the pipe connection using clamps. 5. Re-attach or reactivate all safety and protective devices. 10.5 Installation with threaded spigots Fig. 3: Threaded spigots www.gemu-group.com 23 / 35 GEMÜ 660...

  • Page 24: Setting The Seal Adjuster And The Stroke Limiter

    It is easier to secure the hexagon nut E with the special bush D if the actuator is moved to the open position. The nut F must then be secured on the special bush D. GEMÜ 660 24 / 35 www.gemu-group.com...
  • Page 25 15. Press in the indicator spindle D so that it is flush with the protective cap A. 10.8.2 Adjusting the stroke limiter NOTICE ▶ Due to the tolerances, the same stroke may cause differ- ent flow rate values. www.gemu-group.com 25 / 35 GEMÜ 660...

  • Page 26: Pneumatic Connections

    (connector 2: open/connector 4: close). offset by 90°. Connector 4 Connector 2 Control function Connections 1 (NC) 2 (NO) 3 (DA) + = available / - = not available (see figures for connectors 2/4) GEMÜ 660 26 / 35 www.gemu-group.com...

  • Page 27: Commissioning

    (water hammer). CAUTION Cleaning agent ▶ Damage to the GEMÜ product. The plant operator is responsible for selecting the clean- ● ing material and performing the procedure. 1. Check the tightness and the function of the product (close and reopen the product).

  • Page 28: Troubleshooting

    Tighten threaded connections / unions Sealing material faulty Replace sealing material Valve body is leaking Valve body is leaking Check valve body for damage, replace valve body if necessary * see chapter "Spare parts" GEMÜ 660 28 / 35 www.gemu-group.com...

  • Page 29: Inspection And Maintenance

    Servicing and maintenance work must only be performed parts from GEMÜ). ● by trained personnel. 15.2.2 Removing the diaphragm Do not extend hand lever. GEMÜ shall assume no liability ● whatsoever for damages caused by improper handling or NOTICE third-party actions.
  • Page 30 45° to the position of C. Place the compressor loosely on the actuator piston, fit the re- cesses D into the guides C and A into B. It must be possible to move the compressor freely in the guides. GEMÜ 660 30 / 35 www.gemu-group.com...
  • Page 31 45° to the position of C. Place the compressor loosely on the actuator piston, fit the re- cesses D into the guides C and A into B. It must be possible to move the compressor freely in the guides. www.gemu-group.com 31 / 35 GEMÜ 660...
  • Page 32 10. If it is difficult to screw it in, check the thread, replace damaged parts (only use genuine parts from GEMÜ). 11. When clear resistance is felt, turn back the diaphragm an- ticlockwise until its bolt holes are in correct alignment with the bolt holes of the actuator.

  • Page 33: Removal From Piping

    Returned goods can be processed only when this note is completed. If no return delivery note is included with the product, GEMÜ cannot process credits or repair work but will dispose of the goods at the operator's expense.

  • Page 34: Eu Declaration Of Incorporation According To The Ec Machinery Directive 2006/42/Ec, Annex Ii B

    Declaration of Incorporation according to the EC Machinery Directive 2006/42/EC, Annex II, 1.B for partly completed machinery Manufacturer: GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Postfach 30 Fritz-Müller-Straße 6-8 D-74653 Ingelfingen-Criesbach Description and identification of the partly completed machinery: Make: GEMÜ...
  • Page 35 GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Fritz-Müller-Straße 6-8, 74653 Ingelfingen-Criesbach, Germany Subject to alteration Phone +49 (0) 7940 1230 · info@gemue.de www.gemu-group.com 04.2023 | 88856987...

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